Fish consume these snails and eventually pass the parasite on to their final host, ... simply cook your fish before eating it or freeze it before eating it," he said.

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.

Two snail-crushing cichlid species, Labrochromis mawe and mawepili, have been discovered in Tanzania’s Lake Victoria, thriving in rocky, illuminated habitats.